Fortius is located in Diest, Belgium on Grasbos 50. Fortius is rated 5 out of 5 in the category store in Belgium. Fortius is a Belgium supplier of reinforcement systems and cathodic protection for civil structures in Europe and the Middel east. products include : GFRP rebars, GFRP dowels ( Aslan), Galvashield galvanic anodes, steel fibers of Metalproducts, synthetic fibers, external bonded CFRP systems.